Fuel System Components
The fuel system feeds your engine the gasoline/diesel it needs to run. If any of the fuel systems components fail your vehicle will not run. The major parts of your fuel system are as follows.
Fuel Tank: Holding tank for your fuel. When you fill up, the fuel travels down the filler tube into the tank. In the tank there is a sending unit which relays the amount of fuel in the tank to the fuel gauge.
Fuel Pump: On most newer vehicles, the pump is usually inside the fuel tank. On older vehicles it is located on the engine or on the frame rail between the tank and the engine, most of the time it is an electric pump on the frame.
Fuel Filter: It insure the fuel is clean and is critical to performance. The fuel injectors can clog easily, so filtering is the only way to prevent clogs. The fuel filters are located before and/or after the pump,sometimes both.
Fuel Injectors: Most vehicles after 1986 come from the factory with injectors. Instead of a carburetor to mix the fuel and air, the injectors are controlled by the vehicles computer which results in better emissions and fuel economy.
Carburetors: A carburetor takes the fuel and mixes it with ait without computer intervention. While less complicated carburetors need frequent tuning and rebuilding. This is why most all newer cars have done away with carburetors.
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